<template>
	<div>
		<div class="search">
		<input v-model="keyword" type="text" placeholder="输入城市名或拼音" class="search-input">
	</div>
	<div class="search-content" ref='search' v-show="keyword">
		<ul>
			<li class='search-item border-bottom' v-for = "item of list" :key="item.id">
				{{item.name}}
			</li>
			<li class='search-item border-bottom' v-show='noData' >
				没有找到匹配数据
			</li>
		</ul>
	</div>
	</div>
	
</template>

<script >
	import Bsroll from 'better-scroll'
	export default {
		name:'CitySearch',
		props:{
			cities:Object
		},
		data(){
			return {
			keyword:'', 
			list:[ ],
			timer:null
			}
		},
		computed:{
			noData(){
				return !this.list.length
			}
		},
		watch:{
			keyword(){
				if (this.timer) {
					clearTimeout(this.timer)
				}
				if (!this.keyword){
					this.list = []
					return
				}
				this.timer = setTimeout( ( )  =>  {
						const  result  =  [ ]
						for (let i in this.cities) {
							this.cities[i].forEach((value) => {
									if (value.spell.indexOf(this.keyword) > -1 || value.name.indexOf(this.keyword) > -1) {
											result.push(value)
							}
						})
						}	
						this.list = result
				},100)
			}
		},
		mountd () {
				this.scroll = new Bscroll(this.$refs.search)
		}
	}
</script>

<style lang="stylus" scoped>
	@import	'../../../assets/varibles.styl'
	.search
		height:.72rem
		padding:0 .1rem
		background:$bgColor
		.search-input
			box-sizing:border-box
			width:100%
			height:.62rem
			padding:0 .1rem
			line-height:.62rem
			text-align:center
			border-radius:.06rem
			color:#666
	.search-content
		z-index:1
		overflow:hidden
		position:absolute
		top:1.58rem
		left:0
		right:0
		bottom:0
		background:#eee
		.search-item
			line-height:.62rem
			padding-left:.2rem
			background:#fff
			color:#666
</style>